/ Dictionary / Index B biyearly: Meaning and Definition of Find definitions for: bi•year•ly Pronunciation: (bī-yēr'lē), [key] — adj. biennial (defs. 1, 2). —adv. biennially; biannually. twice yearly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biyearly (Thesaurus) biweekly Biysk Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language